diff --git a/cexapi.class.php b/cexapi.class.php
index 5a77433..599c98b 100644
--- a/cexapi.class.php
+++ b/cexapi.class.php
@@ -6,7 +6,7 @@
  * Jabber: t0pep0@jabber.ru
  * BTC   : 1ipEA2fcVyjiUnBqUx7PVy5efktz2hucb
  * donate free =)
- * 
+ *
  * Update: 12/2/13
  * Author: Zack Urben
  * Email : zackurben@gmail.com
@@ -40,17 +40,17 @@ private function signature() {
 		$string = $this->nonce_v . $this->username . $this->api_key; //Create string
 		$hash = hash_hmac('sha256', $string, $this->api_secret); //Create hash
 		$hash = strtoupper($hash);
-	   
+
 	   return $hash;
 	}
-	 
+
 	/**
 	 * Set nonce as timestamp
 	 */
 	private function nonce() {
 		$this->nonce_v = round(microtime(true)*100);
 	}
-	 
+
 	/**
 	 * Send post request to Cex.io API.
 	 * @param string $url
@@ -63,10 +63,10 @@ private function post($url, $param = array()) {
 	    	foreach($param as $k => $v) {
 				$post .= $k . '=' . $v . '&'; //Dirty, but work
 	    	}
-	    	
+
 			$post = substr($post, 0, strlen($post)-1);
 		}
-		
+
 		$ch = curl_init();
 		curl_setopt($ch, CURLOPT_URL, $url);
 		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
@@ -74,44 +74,50 @@ private function post($url, $param = array()) {
 		curl_setopt($ch, CURLOPT_USERAGENT, 'phpAPI');
 		curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
 		$out = curl_exec($ch);
-		
+
 		if (curl_errno($ch)) {
 			trigger_error("cURL failed. Error #".curl_errno($ch).": ".curl_error($ch), E_USER_ERROR);
 		}
-		
-		curl_close($ch);	
-		
+
+		curl_close($ch);
+
 		return $out;
-	} 
-	
+	}
+
 	/**
 	 * Send API call (over post request), to Cex.io server.
 	 * @param string $method
 	 * @param array $param
 	 * @param string $private
 	 * @param string $couple
+	 * @param string $date
 	 * @return array JSON results
 	 */
-	public function api_call($method, $param = array(), $private = false, $couple = '') {
-	   $url = "https://cex.io/api/$method"; //Create url
-	   
+	public function api_call($method, $param = array(), $private = false, $couple = '', $date='') {
+		if($method == 'ohlcv/hd/'){
+			$url = "https://cex.io/api/$method".$date.'/'; //Create url
+		}
+		else{
+			$url = "https://cex.io/api/$method"; //Create url
+		}
+
 		if ($couple !== '') {
-			$url .= "$couple/"; //set couple if needed
+			$url .= "$couple"; //set couple if needed
 		}
-		
+
 		if ($private === true) { //Create param
 			$param = array_merge(array(
 					'key' => $this->api_key,
 					'signature' => $this->signature(),
 					'nonce' => $this->nonce_v++), $param);
 	    }
-		
+
 	    $answer = $this->post($url, $param);
 		$answer = json_decode($answer, true);
-	   
+
 		return $answer;
 	}
-	
+
 	/**
 	 * Get the current ticker results for the given pair, or 'GHS/BTC' by default.
 	 * @param string $couple
@@ -120,7 +126,7 @@ public function api_call($method, $param = array(), $private = false, $couple =
 	public function ticker($couple = 'GHS/BTC') {
 		return $this->api_call('ticker/', array(), false, $couple);
 	}
-	
+
 	/**
 	 * Get the current bids and asks for the given pair, or 'GHS/BTC' by default.
 	 * @param string $couple
@@ -129,7 +135,7 @@ public function ticker($couple = 'GHS/BTC') {
 	public function order_book($couple = 'GHS/BTC') {
 		return $this->api_call('order_book/', array(), false, $couple);
 	}
-	
+
 	/**
 	 * Get the current trade history for the given pair, or 'GHS/BTC' by default.
 	 * @param int $since
@@ -139,7 +145,7 @@ public function order_book($couple = 'GHS/BTC') {
 	public function trade_history($since = 1, $couple = 'GHS/BTC') {
 		return $this->api_call('trade_history/', array("since" => $since), false, $couple);
 	}
-	
+
 	/**
 	 * Get the current account balance.
 	 * @return array JSON results
@@ -147,7 +153,7 @@ public function trade_history($since = 1, $couple = 'GHS/BTC') {
 	public function balance() {
 		return $this->api_call('balance/', array(), true);
 	}
-	
+
 	/**
 	 * Get the current account open orders for the given pair, or 'GHS/BTC' by default.
 	 * @param string $couple
@@ -156,7 +162,16 @@ public function balance() {
 	public function open_orders($couple = 'GHS/BTC') {
 		return $this->api_call('open_orders/', array(), true, $couple);
 	}
-	
+
+	/**
+	 * Cancel all orders of a given pair for the account.
+	 * @param string $couple
+	 * @return boolean success
+	 */
+	public function cancel_all_order($couple = 'GHS/BTC') {
+		return $this->api_call('cancel_orders/', null, true, $couple);
+	}
+
 	/**
 	 * Cancel the given order for the account.
 	 * @param int $order_id
@@ -165,29 +180,38 @@ public function open_orders($couple = 'GHS/BTC') {
 	public function cancel_order($order_id) {
 		return $this->api_call('cancel_order/', array("id" => $order_id), true);
 	}
-	
+
 	/**
 	 * Place an order, with the given type, amount, price, and pair. Defaults to Buying 'GHS/BTC'.
 	 * @param string $ptype
 	 * @param float $amount
 	 * @param float $price
 	 * @param string $couple
+	 * @param string $order_type
 	 * @return array JSON order data
 	 */
-	public function place_order($ptype = 'buy', $amount = 1, $price = 1, $couple = 'GHS/BTC') {
-		return $this->api_call('place_order/', array(
-			"type" => $ptype,
-	    	"amount" => $amount,
-			"price" => $price), true, $couple);
+	public function place_order($ptype = 'buy', $amount = 1, $price = 1, $couple = 'GHS/BTC', $order_type = 'limit') {
+		if($order_type == 'market'){
+			return $this->api_call('place_order/', array(
+				"type" => $ptype,
+				"order_type" => $order_type,
+		    	"amount" => $amount), true, $couple);
+		}
+		elseif($price > 0){
+			return $this->api_call('place_order/', array(
+				"type" => $ptype,
+				"amount" => $amount,
+				"price" => $price), true, $couple);
+		}
 	}
-	
+
 	/**
 	* Returns overall hash rate in MH/s.
 	*/
 	public function hashrate(){
 		return $this->api_call('ghash.io/hashrate', array(), true);
 	}
-	
+
 	/**
 	* Returns workers' hash rate and rejected shares.
 	*/